Chemistry, asked by jahid951, 1 year ago

Give two differences between modern periodic table and mendeleev periodic table

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Answered by Prathamchavan
3
The main differences are: Mendeleev's periodic table is based on atomic mass. Modern periodic table is based on atomic number. ... According to Mendeleev's, the isotopes with different atomic weights, should be placed in different positions, but are not given any position and no justified reason was explained.
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